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BillionVerify

billionverify.com

From $0.67/mo Free plan WebAPI
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Spec score 8.4 #2 of 31 in Email Verification APIs

Spec sheet

Purpose
BillionVerify verifies individual email addresses and cleans email lists for deliverability workflows.Read 30 Sep 2026 · billionverify.com
Intended users
The maker identifies SaaS companies, sales and marketing agencies, and e-commerce businesses as customer groups.Read 30 Sep 2026 · billionverify.com
API
The REST API supports real-time email verification for signup, enrichment, and custom processing workflows.Read 30 Sep 2026 · billionverify.com
Integrations
The maker lists integrations including Gmail, HubSpot, Mailchimp, Salesforce, Slack, Pipedrive, Zapier, Make, and Integrately.Read 30 Sep 2026 · billionverify.com
Security
The security overview states that HTTPS/TLS protects website, dashboard, and API traffic, and that the company does not currently maintain a completed SOC 2 attestation.Read 30 Sep 2026 · billionverify.com
Privacy
The maker says submitted addresses are discarded after results are returned and are not used to build marketing lists.Read 30 Sep 2026 · billionverify.com
Compliance
The Trust Center documents GDPR operational support and says customers can request a data processing agreement.Read 30 Sep 2026 · billionverify.com
Support
Support is available by email at [email protected].Read 30 Sep 2026 · billionverify.com
Agent tools
BillionVerify offers a hosted MCP server and Agent Skills for AI agent workflows.Read 30 Sep 2026 · billionverify.com
Bulk processing
Bulk list cleaning supports CSV uploads, live progress, and exportable results, with the company stating throughput of up to 50,000 emails per hour.Read 30 Sep 2026 · billionverify.com
Detection
Detection features flag disposable, role-based, catch-all, and spam-trap addresses.Read 30 Sep 2026 · billionverify.com
Limits
The maker says catch-all domains cannot be resolved to confirm an individual mailbox and that verification does not guarantee inbox placement.Read 30 Sep 2026 · billionverify.com
Verification checks
Its verification pipeline checks syntax, domain, MX records, SMTP, reputation, and risk.Read 30 Sep 2026 · billionverify.com

Plans and prices

Free Plan Free 20 free credits daily · 600 free credits monthly · Single email verification · Credits never expire Read 30 Sep 2026 · billionverify.com
Yearly $8 a year $240 billed yearly 240,000 credits / year · Single and bulk email verification · Email Finder and Bulk Email Finder · Company Search · Real-time API + batch processing · CSV & Excel upload support · Credits never expire Read 30 Sep 2026 · billionverify.com
White Label Partner Priced on request Flexible credit volume and pricing · Custom domain, logo, and brand colors · Guided onboarding · Email support (24h response) · 99.7% uptime SLA Read 30 Sep 2026 · billionverify.com

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